diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-29 11:20:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-29 11:20:09 -0700 |
| commit | d6ae0c63f09cc443aa14f8b966aa3e7b2229360b (patch) | |
| tree | 13e3da32cc3c9ab5c32dde93164c7ce363e76a74 /drivers/watchdog/softdog.c | |
| parent | 8c82840e5414259b1963da36f82b64a755fafc75 (diff) | |
| parent | 7fff4beb311dfab4f18ff2cd64f78ec89296a39a (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
watchdog: softdog.c: enhancement to optionally invoke panic instead of reboot on timer expiry
watchdog: fix nv_tco section mismatch
watchdog: sp5100_tco.c: Check if firmware has set correct value in tcobase.
watchdog: Convert release_resource to release_region/release_mem_region
watchdog: s3c2410_wdt.c: Convert release_resource to release_region/release_mem_region
Diffstat (limited to 'drivers/watchdog/softdog.c')
| -rw-r--r-- | drivers/watchdog/softdog.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c index 100b114e3c3c..bf16ffb4d21e 100644 --- a/drivers/watchdog/softdog.c +++ b/drivers/watchdog/softdog.c @@ -48,6 +48,7 @@ #include <linux/init.h> #include <linux/jiffies.h> #include <linux/uaccess.h> +#include <linux/kernel.h> #define PFX "SoftDog: " @@ -75,6 +76,11 @@ MODULE_PARM_DESC(soft_noboot, "Softdog action, set to 1 to ignore reboots, 0 to reboot " "(default depends on ONLY_TESTING)"); +static int soft_panic; +module_param(soft_panic, int, 0); +MODULE_PARM_DESC(soft_panic, + "Softdog action, set to 1 to panic, 0 to reboot (default=0)"); + /* * Our timer */ @@ -98,7 +104,10 @@ static void watchdog_fire(unsigned long data) if (soft_noboot) printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n"); - else { + else if (soft_panic) { + printk(KERN_CRIT PFX "Initiating panic.\n"); + panic("Software Watchdog Timer expired."); + } else { printk(KERN_CRIT PFX "Initiating system reboot.\n"); emergency_restart(); printk(KERN_CRIT PFX "Reboot didn't ?????\n"); @@ -267,7 +276,8 @@ static struct notifier_block softdog_notifier = { }; static char banner[] __initdata = KERN_INFO "Software Watchdog Timer: 0.07 " - "initialized. soft_noboot=%d soft_margin=%d sec (nowayout= %d)\n"; + "initialized. soft_noboot=%d soft_margin=%d sec soft_panic=%d " + "(nowayout= %d)\n"; static int __init watchdog_init(void) { @@ -298,7 +308,7 @@ static int __init watchdog_init(void) return ret; } - printk(banner, soft_noboot, soft_margin, nowayout); + printk(banner, soft_noboot, soft_margin, soft_panic, nowayout); return 0; } |